This worked for me
You need to uninstall your previous AMD Control centre (Remove everything) and restart your computer, and then install the windows 7/8 AMD legacy driver (AMD Catalyst 13.4 Legacy Driver) under compatibility mode windows 8 with administrative rights (Right click on setup and select TROUBLESHOOT compatibility THEN SELECT TROUBLESHOOT PROGRAM, THEN SELECT THE PROGRAM WORKED IN EARLIER VERSIONS, THEN SELECT Windows 8, COMPLETE THE COMPATIBILITY MODE), this will then give you partial Catalyst control center. You then need to go to Device manager and manually force install the legacy display driver which did not install using setup. Double click on Ati display driver choose driver tab, select update driver, select 'browse my computer' for driver, then select 'Let me pick from list' click on have disk, and browse to your driver directory C:\AMD\AMD_Catalyst_13.4_Legacy_Beta_Vista_Win7_Win8\Packages\Drivers\Display. And select the FOLDER W8_inf, this will then install the legacy driver correctly, and give you full functionality of the Legacy driver. This driver works fine with no issues detected so far, even the app market works fine.